Gemstone



FIG. 1 is a top plan view of a gemstone showing my new design;

FIG. 2 is a side elevational view;

FIG. 3 is a perspective view;

FIG. 4 is a top plan view of a gemstone showing a second embodiment of my new design;

FIG. 5 is a side elevational view of FIG. 4;

FIG. 6 is a perspective view of FIG. 4;

FIG. 7 is a side elevational view of a gemstone showing a third embodiment of my new design, all side elevational views being the same;

FIG. 8 is a top plan view of a gemstone showing a fourth embodiment of my new design;

FIG. 9 is a side elevational view of FIG. 8;

FIG. 10 is an end view of FIG. 9; and,

FIG. 11 is a top plan view of FIG. 7. 

The ornamental design for a gemstone, as shown and described. 